In 1998, a Tucson resident named Brad Lancaster took a saw to the curb outside his home and cut six openings into it, creating small channels to divert rainwater off the street and into the space between the sidewalk and the road. Cutting into a public curb without permission was against city rules, and Lancaster carried out the work quietly, often early on Sunday mornings to avoid drawing attention.

In 1998, Brad Lancaster's illegal curb cuts in Tucson transformed the city's approach to stormwater management, turning waste into a vital resource and inspiring city policy…

In 1998, a Tucson resident named Brad Lancaster took a saw to the curb outside his home and cut six openings into it, creating small channels to divert rainwater off the street…